The inhabitants of a small provincial town are requisitioned to take part in the French army's major maneuvers. A foreign spy takes advantage of these maneuvers to steal secret documents. The pursuit and capture of the spy and his accomplices are successfully carried out by all those taking part in the maneuvers.
Blanchette Brunoy
Célia Cortez
Jean-Pierre Kérien
Howard Vernon
Jacques Charon
Jacques Torrens
Liliane Ernout
Gabriel Sardet
Charles Lemontier
Gérard Le Faivre
Philippe Hersent
Marco Villa
Paul Azaïs
Louise Bazin
Béatrix Brunel
Danièle Bréhat
Jean-Louis Calvet
Danielle Dumont
Germaine Godefroid
Germaine Landa
Jean Murat
Jean Nosserot
Charles Roy
Jean Thielment